Home / 822,586.20-1,234,268.10-349,675.80

Finding the Fourth Proportional to 822,586.20, 1,234,268.10 and 349,675.80

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Solution

The fourth proportional to 822,586.20, 1,234,268.10 and 349,675.80 is: 524,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,586.20 : 1,234,268.10 = 349,675.80 : x
  2. Step 2: Convert to fraction form
    822,586.20/1,234,268.10 = 349,675.80/x
  3. Step 3: Cross multiply
    822,586.20x = 1,234,268.10 × 349,675.80
  4. Step 4: Simplify right side
    822,586.20x = 431,593,685,281.98
  5. Step 5: Solve for x
    x = 431,593,685,281.98/822,586.20
  6. Step 6: Final answer
    x = 524,678.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.